Pronunciation: ' l ī t- ˌ b ə lb
Function: noun
Date: 1884
: an electric lamp: as a : one in which a filament gives off light when heated to incandescence by an electric current ― called also incandescent incandescent lamp b : FLUORESCENT LAMP
lightbulb (incandescent): 1 bulb containing gas, 2 filament, 3 connecting and supporting wires, 4 exhaust tube, 5 screw base, 6 base contact